<?php
namespace core\lib;

class conf{
	static public $convention = array();

	static public function get($name,$file){
		/**
		 *1.判断配置文件是否存在
		 *2.判断配置是否存在
		 *3.缓存配置
		 */
		
		if(isset(self::$convention[$file])){
			return self::$convention[$file][$name];
		}else{
			$path = MYFRAME.'/core/config/'.$file.'.php';
			if(is_file($path)){
				$conf = include $path;
				if(isset($conf[$name])){
					self::$convention[$file] = $conf;
					return $conf[$name];
				}else{
					throw new \Exception('没有这个配置项'.$name);
				}
			}else{
				throw new \Exception('找不到配置文件'.$file);
			}
		}
	}
}